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TI-2026-73006 Aliases CVE-2026-96206GHSA-qc8g-6hxj-5fhr

Uninitialized resource in Windows Subsystem for Linux discloses data

Priority LOW 29CWE-908Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-908 and the CVSS impact.

Summary

Microsoft Windows Subsystem for Linux (WSL2) from 5.0.0.0 before 3.0.1 is affected. Use of an uninitialized resource (CWE-908) lets an authorized local attacker disclose information. The attack requires local access with low privileges and no user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Use of uninitialized resource in Windows Subsystem for Linux allows an authorized attacker to disclose information locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0044 38th percentileScored 2026-11-07
Fix Fixed Windows Subsystem for Linux (WSL2) (Microsoft): 3.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows Subsystem for Linux (WSL2)5.0.0.0 to before 3.0.13.0.1Patch availableCNA
  • Windows Subsystem for Linux (WSL2) VendorMicrosoft Affected 5.0.0.0 to before 3.0.1 Fixed in 3.0.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:-:*:*before 3.0.1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:-:*:* Versions before 3.0.1 Vulnerable ·Microsoft

Remediation

Update Windows Subsystem for Linux (WSL2) to 3.0.1.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Windows Subsystem for Linux (WSL2) (Microsoft) Fixed in 3.0.1

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-96206
  2. 2026-10-13 Alias added: GHSA-qc8g-6hxj-5fhr
  3. 2026-10-29 CVSS score added · NVD

References

Patch 1

  • TI-2021-19685 Visual Studio Code WSL Extension Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2025-38532 Windows Subsystem for Linux GUI Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2022-21992 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2026-41733 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2022-17732 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.0
  • TI-2026-72811 Race condition in Windows Subsystem for Linux allows local escalation CVSS 3.1HIGH 7.0
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences